Chaeyeon Kim, Hyun-Ho Choi*, and Kisong Lee*,
"Joint Beam Placement and Power Optimization for Broadcast and Multicast Services in Multi-Beam LEO Satellite Systems",
IEEE Transactions on Vehicular Technology,
Jul. 2026.
IF 7.5 · Top 11.2%
2025
Chaeyeon Kim, Hyun-Ho Choi*, and Kisong Lee*,
"Interference Coordination for Multi-UAV-Enabled Communications under Probabilistic LoS Channels",
IEEE Internet of Things Journal,
vol. 12, no. 19, pp. 40484-40498, Oct. 2025.
IF 8.7 · Top 5.8%
2024
Kanghyun Heo, Hyun-Ho Choi*, and Kisong Lee*,
"Joint Trajectory and Resource Optimization for UAV-Assisted SWIPT Systems: A Comparative Study of Linear and Nonlinear Energy Harvesting Models",
IEEE Internet of Things Journal,
vol. 11, no. 24, pp. 40293-40305, Dec. 2024.
IF 8.9 · Top 4.1%
Chaeyeon Kim, Hyun-Ho Choi*, and Kisong Lee*,
"Joint Optimization of Trajectory and Resource Allocation for Multi-UAV-Enabled Wireless-Powered Communication Networks",
IEEE Transactions on Communications,
vol.72, no.9, pp.5752-5764, Sep. 2024.
IF 8.3 · Top 7.2%
Hyun-Ho Choi, Gitae Park, Kanghyun Heo, and Kisong Lee*,
"Joint Optimization of Beam Placement and Transmit Power for Multibeam LEO Satellite Communication Systems",
IEEE Internet of Things Journal,
vol. 11, no. 8, pp. 14804-14813, Apr. 2024.
IF 8.9 · Top 4.1%
Hyun-Ho Choi and Jung-Ryun Lee*,
"Optimization of Dynamic Beam Placement for LEO Satellite Multicast Communications",
IEEE Wireless Communications Letters,
vol. 13, no. 4, pp. 1029-1033, Apr. 2024.
IF 5.5 · Top 15.3%
2023
Junseung Lee, Hyun-Ho Choi*, Seung-Chan Lim, Hyungsub Kim, Jeehyeon Na, and Howon Lee*,
"Low-complexity Q-learning for Energy-aware Small-cell Networks with Integrated Access and Backhaul",
IEEE Access,
vol. 11, pp. 121529-121538, Oct. 2023.
IF 3.4 · Top 34.4%
Woongsup Lee, Howon Lee*, Hyun-Ho Choi*,
"Deep Learning-based Network-Wide Energy Efficiency Optimization in Ultra-Dense Small Cell Networks",
IEEE Trans. on Vehicular Technology,
vol. 72, no. 6, pp. 8244-8249, Jun. 2023.
IF 6.1 · Top 12.2%
Hyun-Ho Choi and Jung-Ryun Lee*,
"Joint Optimization of Altitude and Beamwidth for UAV-Powered Wireless Sensor Networks",
IEEE Trans. on Vehicular Technology,
vol. 72, no. 1, pp. 1279-1284, Jan. 2023.
IF 6.1 · Top 12.2%
2022
Howon Lee, Eunjin Kim, Hyungsub Kim, JeeHyeon Na, and Hyun-Ho Choi*,
"Multi-Agent Q-Learning Based Cell Breathing Considering SBS Collaboration for Maximizing Energy Efficiency in B5G Heterogeneous Networks",
Elsevier ICT Express,
vol. 8, no. 4, pp. 525-529, Dec. 2022.
IF 5.4 · Top 27.8%
Eunjin Kim, Hyun-Ho Choi*, Hyungsub Kim, JeeHyeon Na, and Howon Lee*,
"Optimal Resource Allocation Considering Non-Uniform Spatial Traffic Distribution in Ultra-Dense Networks: A Multi-Agent Reinforcement Learning Approach",
IEEE Access,
vol. 10, pp. 20455-20464, Feb. 2022.
IF 3.9 · Top 36.2%
2004
Hyun-Ho Choi, Sun-Ho Lee, and Dong-Ho Cho,
"Hybrid Access Scheme Based on One-Phase Preamble and Channel Monitoring/Assignment for Satelite Communications",
IEEE Communications Letters,
vol. 8, no. 2, pp. 96-98, Feb. 2004.
IF 0.922 · Top 25.4%